Keying In Negative Numbers; Chain Calculations In Alg Mode - HP 12C User Manual
Platinum financial calculator
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Also See for 12C:
- User manual (288 pages) ,
- Owner's handbook manual (213 pages) ,
- Reference manual (168 pages)
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238 Appendix B: Algebraic Mode (ALG)
Keystrokes
(ALG mode)
90.89}
65gr§12}
z3.5}
You can also do long calculations without pressing } after each intermediate
calculation: just press it at the end. The operators perform from left to right, in the
order you enter them.
Keying in Negative Numbers (
The Þ key changes the sign of a number.
To key in a negative number, type that number and then press Þ.
To change the sign of an already displayed number, press Þ.
Keystrokes
(ALG mode)
OO
75Þ
§7.1}
Chain Calculations in ALG Mode
To do a chain calculation, you don't need to press } after each operation, but
only at the very end.
For instance, to calculate
750 § 12 } z 360 } or
750 § 12 z 360 }
In the second case, the z key acts like the } key by displaying the result of 750
× 12.
Here's a longer chain calculation:
This calculation can be written as: 456 – 75 ÷ 18.5 × 68 ÷ 1.9. Watch what
happens in the display as you key it in:
File name: hp 12c pt_user's guide_English_HDPMF123E27
Printed Date: 2005/8/1
Display
–13.54
} completes the calculation.
96.75
New calculation:
27.64
Calculates 96.75 ÷ 3.5
)
Display
0.00
Clears any pending operations.
–75.
Changes the sign of 75
–532.50
Multiplies –75 by 7.1
750
x
12
you can enter either:
360
−
456
75
68
×
18
5 .
1
9 .
Page: 238 of 275
Dimension: 14.8 cm x 21 cm
65 ×
12
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