What's new in V1.5.2

- Factorial is now written n! instead of !(n).

- +/- button added to invert sign.

- exp button combined with Ans button.

- bug fixes.

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What's new in V1.4

- Unit Converter (Beta).

- Calculations History.

- sharing calculations as image.

- New Themes.

- new Design concept.

- Engineering Notation

- adding Inverse Hyperbolic Functions (asinh, acosh, atanh).

- Fixing Thousands separator issue.

- Visual improvements.

- bug-fixes and minor improvements.