Software →Smart scientific calculator (115 991 300) plus v4.9.6.479

Scientific calculator 115 can perform exponent calculation, draw graph as 991.
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.

Requirements: Android 4.1+
HomePage -

https://play.google.com/store/apps/details?id=scientific.calculator.es991.es115.es300