Online calculator with square root12/6/2023 ![]() This will give you the answer of: 1.414213562 if entered correctly. √ ] (the radical symbol is above the x 2 key) and then the number that you want to find the square root of and then the key. To take the square root of a number, press and then [ It costs around $85 (USD) more than a scientific calculator.īest price for this calculator as of 9-2-2014 is around $94.00 (USD). It is bulkier than a scientific calculator. This can often help you discover an input error that may have otherwise gone unnoticed. (This is a nice benefit that graphing calculators have compared to scientific calculators that may only have a single line display.) Another benefit of having a large display is you can compare your current answer to past answers that are still on the screen. Long equations can be viewed and checked. The display shows seven lines of input/output. (If you need help, the likelihood of finding someone who knows how to use it is higher). It can be used on many college entrance exams (check your exam criteria). (To see what the graph looks like on this calculator,Ĭlick the show graph button below the calculator image on this page.) Use the key and Arrow keys to trace and show values along the graph. ![]() (Note: This same method will also work with TI-83 and TI-81 calculators) This will give you the answer of: 1.414213562 if done correctly. √ ] (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 key. To take the square root of a number, press (the secondary function key) and then [
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