Hewlett-Packard Corporation joined the market in early 1972 with the HP-35 scientific calculator. It could not only add, subtract, multiply, and divide but compute trigonometric functions, logarithms, ...

Calculate the length AB. Give the answer to one decimal place. Label the sides of the triangle \(o\), \(a\) and \(h\). Next choose the correct ratio from \(s^o_h~c^a_h~t^o_a\). The length \(h\) is ...

Calculate the angle QPR. Give the answer to one decimal place. Label the sides of the triangle \(o\), \(a\) and \(h\). Next choose the correct ratio from \(s^o_h~c^a_h~t^o_a\). In the triangle the ...

freeing us from the yoke of using tables to calculate logarithms and trigonometric functions. Once out in the real world, it’s no longer necessary to use an education board approved device to do ...

This calculator allows you to plot multiple equations ... You can also plot graphs for trigonometric equations (equations that use sine, cosine, and tan, etc.), establish graphs for linear and ...

Hewlett and Packard met at Stanford University in the 1930s while studying electrical engineering. Before they finished their ...

Adjacent angles are one of the earliest and most important concepts to learn in basic geometry, as they have applications in ...

In some ways this was better than a cell phone: If you wanted to play BlockDude instead of doing trig identities, this was much more discrete. The only downside is that the TI calculators can’t ...

"There are no trigonometric proofs because all the fundamental formulae of trigonometry are themselves based upon the truth ...

For instance, trigonometry can help you figure out exactly ... Triangles were used to calculate where we are situated in ...

The Mathematical Mind Offers Neuroscientists a Master Class in Concentration Expertise bulks up the brain’s ability to think deeply, a skill that may generalize across tasks ...