Calculator for School 1.0.39

A powerful calculator that offers a choice between simplicity and advanced features.

• Four supported calculator types:
• 1. Basic: standard arithmetic operations and percentage calculations.
  2. Scientific: algebra and trigonometric functions.
  3. Programming: command line calculator for instant calculation of expressions in various numerical systems.
  4. Minimalistic: streamlined version of the programming calculator with a simple interface.

In settings, you can determine which type of calculator to display in portrait or landscape mode. Input for trigonometric functions is customizable in Degrees, Radians, or Grads through the 'Deg-Rad-Grd' button. Output can be converted to fractions where applicable by toggling the fraction button.

The calculator retains current and previous calculations between sessions, a feature that can be disabled in settings. It also stores calculation history, allowing users to search, delete specific items, or clear the entire history.

A comprehensive help system details available functions with examples accessible by clicking the '?' button. The Programming and Minimalistic modes stand out for their versatility, enabling the entry and evaluation of a wide range of expressions directly from the device keyboard.

Additional features and functionality include:

• Selection of digital keyboard layouts in preferences.
• Alternative notation 'x**y' for exponentiation.
• Long pressing function buttons for help references.
• Convenient options like inserting double zeroes, changing expression signs, and more by pressing and holding respective buttons.
• Copious tips like tapping on history items to copy them to the calculator or accessing detailed function information through long presses on the help screen.