(12C) [TAX -] [TAX+]

[Gamo]

On HP-11C “Profit on Pricing Solver” can be use to

Calculate [TAX-] or [TAX+]

Example: USER mode

Tax Rate 8%

What is the original price without TAX for $54

Set TAX rate on [LBL] C

8 [C] display 0.00
54 [B] display 0.00
[A] display 50.00

Answer: $50 is the original price

To do the [TAX+]
Set Tax Rat at [C]
Original Price at [A]
Answer Price including TAX at [B]

Link to HP-11C “Profit on Pricing Solver”
https://www.hpmuseum.org/forum/thread-12947.html

Gamo