HP F2215AA HP 35s scientific calculator - User Guide - Page 125
Solving Equations, Display, Description, Selects Equation mode.
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Keys: Display: Ö() G Description: Clears memory. Selects Equation mode. Starts the equation. Terminates the equation and displays the left end. Checksum and length. g (acceleration due to gravity) is included as a variable so you can change it for different units (9.8 m/s2 or 32.2 ft/s2 ). Calculate how many meters an object falls in 5 seconds, starting from rest. Since Equation mode is turned on and the desired equation is already in the display, you can start solving for D: Keys: Display: Description: value value value Prompts for unknown variable. Selects D; prompts for V. Stores 0 in V; prompts for T. Stores 5 in T; prompts for G. Stores 9.8 in G; solves for D. Try another calculation using the same equation: how long does it take an object to fall 500 meters from rest? Solving Equations 7-3
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