Question about Casio FX-115ES Scientific Calculator
When using trigonometric functions (cos, sin, tan) and their inverses (arccos, arcsin, arctan) one must be aware that the result will depend on the default angle unit : radian, degree, or grad.
Apparently you are working with the degree as the angle unit, so you must configure the calculator for that unit. (See screen capture below)
Press [SHIFT][MODE] [3:Deg]
Posted on Aug 10, 2010
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
Here's a link to this great service
Posted on Jan 02, 2017
Tips for a great answer:
Jul 16, 2014 | Office Equipment & Supplies
May 27, 2013 | Casio FX350MS Scientific Calculator
Feb 02, 2013 | Texas Instruments TI-Nspire Graphic...
Jan 21, 2012 | Sharp Office Equipment & Supplies
Jul 16, 2010 | Super Tutor Trigonometry (ESDTRIG) for PC
May 16, 2009 | Advanced Graphics Programming Using OpenGL...
Oct 24, 2008 | Texas Instruments TI-30XA Calculator
Oct 10, 2008 | Casio FX1.0 Plus Calculator
222 people viewed this question
Usually answered in minutes!