Smart scientific calculator (115 * 991 / 300) plus APK for Android

The calculator 991 ex contains following features:

Scientific calculator 115 can perform exponent calculation, draw graph, work as calculator es 115, calculate simple and advanced expression like 991 + 115 / 300

Advanced calculator es 300 includes symbolic integration, calculate integral and perform advance calculation task.

991 science calculator provides various tools for student such as LCM, GCD, random integer and solve equation.

Engineering calculator 115 es is a useful tools for engineering student to calculate fraction, convert fraction to decimal, calculate pi number and over 991 math functions

Barcode is also included in this app.

Smart calculator 300 es helps you solve homework better by calculating automatically without pressing equal button.