Square Root Calculator | square root of 2
TexasInstrumentsTI-84PlusGraphingCalculator Totakethesquarerootofanumber,press[2ND](thesecondaryfunctionkey)andthen[ √   ](theradicalsymbolkeywhichisusedtotakethesquarerootofanumber)andthenthenumberthatyouwanttofindthesquarerootofandthenthe[ENTER]key.Example: Tofindthesquarerootof2,push: [2ND][ √ ] 2 [ENTER] Thiswillgiveyoutheanswerof:1.414213562ifdonecorrectly.(Note:Th...
Texas Instruments TI-84 Plus Graphing Calculator To take the square root of a number, press [2ND] (the secondary function key) and then [ √   ] (the radical symbol key which is used to take the square root of a number) and then the number that you want to find the square root of and then the [ENTER] key.Example: To find the square root of 2, push: [2ND] [ √ ] 2 [ENTER] This will give you the answer of: 1.414213562 if done correctly.
(Note: This same method will also work with TI-83 and TI-81 calculators)
Graph: To graph the square root function y = √x Press [Y=] [2ND] [ √   ] [X,T,O,n] [GRAPH]
Use the [Trace] key and Arrow keys to trace and show values along the graph.
(To see what the graph looks like on this calculator, click the sho...