Previous Versions

Requires Android: Android 4.1+
Screen DPI: nodpi
SHA1: ce888b97c7e7a51a7ddbf3acaa1db7fde31b9a72
Size: 15.61 MB

Requires Android: Android 4.1+
Screen DPI: nodpi
SHA1: e9f8fa64a575da0bc39c80fdc596b89c263bbfab
Size: 15.52 MB
What's New:
Graph simultaneous plotting
Graph independent zoom
Statistical functions and documentation
Distribution calculation
Bug fixes and stability improvement

Requires Android: Android 4.1+
Screen DPI: nodpi
SHA1: a91160c5b46983e22ba364e7af430b11a041938b
Size: 15.52 MB
What's New:
Graph independent zoom
Statistical functions and documentation
Distribution calculation
Improve matrix, vector calculation and update documentation
Update math library
Bug fixes: graph does not draw tangent
Bug fixes: menu doesnt show "Regression plot"

Requires Android: Android 4.1+
Screen DPI: nodpi
SHA1: 93431faeef12966808a2bbdd6c7239b4dc25bff2
Size: 15.37 MB
What's New:
Graph is improved
Fix problem with trig functions
Stability improvement

Requires Android: Android 4.1+
Screen DPI: nodpi
SHA1: f2df88166ce8d1613421c8020b48b4e6fe1fb757
Size: 14.89 MB
What's New:
Show real-valued for n-th root function
Stability and minor improvement

Requires Android: Android 4.0.3+
Screen DPI: nodpi
SHA1: c51431bcba38c2f1bc4f00e3449b2f666f02116f
Size: 14.49 MB
What's New:
New UI for programming mode
Chemistry atomics and equations
Fixed loss data when rotate
Bug fixes and stability improvement

Requires Android: Android 4.0.3+
Screen DPI: nodpi
SHA1: e8c364b8c9538559fdd5131a7d8de32cbc81fa22
Size: 14.51 MB
What's New:
New functions
Symbol bar in programming mode
Fixed graph bug

Requires Android: Android 4.0.3+
Screen DPI: nodpi
SHA1: 03847d9804885d707925667a5eefa7efa3436b6a
Size: 13.53 MB
What's New:
Fixed some bugs and stability improvement.
About this update:
- Added scroller for unit conversion result display
- Fixed bug when copy and paste
- Single line toolbar
- Unit conversion shortcut
- Update math library: Gather, GatherBy, InverseCDF, Quiet, RandomPrime, ReplaceRepeated, SortBy, BellY, ChebyshevT, ChebyshevU, Coefficient CoefficientList, Cyclotomic, Exponent, HermiteH, LaguerreL, LegendreP, LegendreQ.
- Fixed cannot import text file in programming editor.

Requires Android: Android 4.0.3+
Screen DPI: nodpi
SHA1: 90112a08109219d7b416eb0a5b2c21b6b8f8bb96
Size: 13.47 MB
What's New:
New unit converter design: now you can open unit converter from calculator or CONV dialog, and you can also transfer current expression to unit conversion calculator. With new button [ALL], the calculator supports convert to other units with single tap.
New settings: hide/show navigation bar, hide/show calculator toolbar. Button click volume setting in main screen.
[+-] button is replaced by percent button.
Thanks for all feedback from users.

Requires Android: Android 4.0.3+
Screen DPI: nodpi
SHA1: 198ce054d5703c67091b0ea34fb70864036e1ad7
Size: 13.13 MB
What's New:
- Improved calculate integral, limit, sum and product
- Updated function documents
- Fixed some bugs

Requires Android: Android 4.0.3+
Screen DPI: nodpi
SHA1: b1d1cf94b8899332f16afac04485b14377f878d6
Size: 13.11 MB
What's New:
- Supported matrix 7x7
- Improved theme
- Fixed some bugs

Requires Android: Android 4.0.3+
Screen DPI: nodpi
SHA1: 989639e2e8dbe5449b10c4ac00bc84badc7c01a7
Size: 12.98 MB
What's New:
- Supported matrix 7x7
- Improved theme
- Fixed some bugs

Requires Android: Android 4.0.3+
Screen DPI: nodpi
SHA1: 67bab2fa001e00c5898127c7139d13edd81af5b5
Size: 12.89 MB
What's New:
- Supported plot regression calculation results
- Supported solve complex system equations
- Improved graph feature: the calculator can draw Cartesian, polar, parametric and implicit graph, find approximately intersections and roots
- Indian digit grouping style
- Fixed some bugs

Requires Android: Android 4.0.3+
Screen DPI: nodpi
SHA1: f0f7cada1ef76f89db274ab34c74eb115bb03579
Size: 12.9 MB
What's New:
- Move premium fonts to cloud, add 50+ fonts for premium user
- Improved programming feature, support import text file (Free for beta user)
- Supported hot keys
- Fixed display sum and product incorrect
- Shortcut open expression in program editor

Requires Android: Android 4.0.3+
Screen DPI: nodpi
SHA1: 23751c0ff58d18421cf8d4c2e7ca024536fff2d4
Size: 14.03 MB
What's New:

Requires Android: Android 4.0.3+
Screen DPI: nodpi
SHA1: 4322439914e791a8afa295d68fed0511105bdd11
Size: 13.69 MB
What's New:

Requires Android: Android 4.0+
Screen DPI: nodpi
SHA1: c26ec437dd765fcdba370995e4f4bfb572021e8e
Size: 13.75 MB
What's New:
- Unit converter 900+ unit (Support search, create shortcut, favorites, ...)
- Improved graph
- Improved photo math
- Fixed some bugs

Requires Android: Android 4.0+
Screen DPI: nodpi
SHA1: 692bf5a301577f19755bdd947b0e1467e297322e
Size: 11.87 MB
What's New:
- Change percent rules
- Fixed some bugs.

Requires Android: Android 4.0+
Screen DPI: nodpi
SHA1: 0f9f2291773dcb46b1381f3838edb946b7a28e17
Size: 11.9 MB
What's New:
- Added "Physic formulas"
- Fixed some bugs.

Requires Android: Android 4.0+
Screen DPI: nodpi
SHA1: 9ae17c84889e3025db31493426d2f0a8674171be
Size: 10.73 MB
What's New:
- Add math formulas to favorite
- 1000+ Math formulas
- Fixed some bugs and minor improvements

Requires Android: Android 4.0+
Screen DPI: nodpi
SHA1: d8586b931b8c4c45895663234a3951f39fc1bfcd
Size: 9.75 MB
What's New:
- Added more functions
- Fixed some bugs

Requires Android: Android 4.0+
Screen DPI: nodpi
SHA1: af653ecaa8da7e210dac311b4ef6a6a6f878c833
Size: 9.68 MB
What's New:
- Added Classwiz model keyboard layout, you can change it on setting
- Support change divide label
- Fixed some bugs

Requires Android: Android 4.0+
Screen DPI: nodpi
SHA1: 299008f6a0816cf3df40a5af8f3428ef96cb9e2d
Size: 9.21 MB
What's New:
- Supported EULER constant for graph
- Supported format big number
- Added more statistical functions and document
# 3.3.0-alpha
- Support solve cubic inequality and quartic inequality
- Vector D variable
- PDF and CDF functions
- Updated document
- Improve user interaction
# 3.2.7-alpha
- Reduce size of application
- Exponent and NRoots functions
- Fixed crash when rotate on some devices
- Support disable g(x)
- Fixed can not delete history

Requires Android: Android 4.0+
Screen DPI: nodpi
SHA1: b0ff71cf584017ea1cca9d521d0e761d35cd3948
Size: 11.35 MB
What's New:
- Repeated delete on simple keyboard
- Improve format number, you can change decimal, thousand and thousandth separator
- Fixed can not factor and simplify expression
- Fixed wrong result when solve system equations with trig functions
- Fixed bug when calculate with constant
- Now, n-th root supported decimal exponent
- Fixed crash when delete row in STAT mode
- Improve graph (premium version), support tangent, derivative and integral
- Update document

Requires Android: Android 4.0+
Screen DPI: nodpi
SHA1: c94a0ba6ffa669622c11529a5d383d1f4b70a184
Size: 11.31 MB
What's New:
- Integral working on all device.
- Basic graphing (Beta test) for premium user
- Document updated
- Improve haptic feedback when press button.
- Fixed can not edit coefficients in SOLVE mode
- Fixed crash when edit STAT data
- Result automatic use DMS form when user enter degree

Requires Android: Android 4.0+
Screen DPI: nodpi
SHA1: ba0165a1ee833ad0988529691054fde4bbe7a50a
Size: 10.99 MB
What's New:
- Fix can not solve equation
- Builtin document available

Requires Android: Android 4.0+
Screen DPI: nodpi
SHA1: ce37a7c23282b8567d45b4572516c49c3b1988da
Size: 10.94 MB
What's New:
With minor update, I supported STAT (statistical) mode (Sum, Var, Regression, MinMax, and more features as casio fx calculator,
support find coefficient for all function on premium version)
Some bug has been fixed, natural display has been improved (auto scroll to entry MATRIX, VECTOR and STAT mode), fix missing data when rotate device

Requires Android: Android 4.0+
Screen DPI: nodpi
SHA1: a39fdfa6804b4bd1b0a548021a5e4840ac9fca06
Size: 10.43 MB

Requires Android: Android 4.0+
Screen DPI: nodpi
SHA1: 9904dba58814afd93272585f12ee44763270c35c
Size: 10.43 MB
What's New:
Fixed some bugs.
Store result Pol, Rec function to x, y variable
Support full bitwise operator (and, or, xor, not, shift left, shift right, unsigned shift right)
Update language
Improve result derivative for hyperbolic function
Improve clipboard copy
Fix can not solve equation with equal operator
Fix not save variable on exit
Auto add close bracket
Auto add zero before
Support disable page scroll
Auto detect solve variable

Requires Android: Android 4.0+
Screen DPI: nodpi
SHA1: d10f62e138afafb72866cdf46a2bee3c44103f76
Size: 10.19 MB
What's New:
Store result Pol, Rec function to x, y variable
Support full bitwise operator (and, or, xor, not, shift left, shift right, unsigned shift right)
Update language
New document
Improve result derivative for hyperbolic function
Improve clipboard copy
Fix can not solve equation with equal operator
Fix not save variable on exit
Auto add close bracket
Auto add zero before
Support disable page scroll
Auto detect solve variable