HP 35s Instruction Manual page 7

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HP 35s Using RPN Mode
about 20 degrees would be about right. So type the height again and divide by the cosine of 20 degree
Type 28Ï20n¯. That gives 29.80. A 30 foot long ladder would be almost ideal if a
neighbor has one.
The same ca lculations could be d
m ode is less well suited to such step-by-step calculations, especially because ºÍ must be used repeatedly to
bring back the results of previous calculations.
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one in algebraic mode with no difficulty. Nevertheless, many users find that algebraic
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HP 35s Using RPN Mode - Version 1.0