HP-25
The HP-25 was a hand-held programmable scientific/engineering calculator made by Hewlett-Packard between 1975 and 1978. The HP-25 was introduced as a cheaper (US$195 MSRP) alternative to the ground-breaking HP-65. To reduce cost, the HP-25 omitted the HP-65's magnetic card reader, so it could only be programmed using the keyboard. After switching off, the program was lost and had to be typed in again. The model HP-25C, introduced in 1976, addressed that shortcoming through the first use of battery-backed CMOS memory in a calculator, termed continuous memory by HP.
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HP-25
The HP-25 was a hand-held programmable scientific/engineering calculator made by Hewlett-Packard between 1975 and 1978. The HP-25 was introduced as a cheaper (US$195 MSRP) alternative to the ground-breaking HP-65. To reduce cost, the HP-25 omitted the HP-65's magnetic card reader, so it could only be programmed using the keyboard. After switching off, the program was lost and had to be typed in again. The model HP-25C, introduced in 1976, addressed that shortcoming through the first use of battery-backed CMOS memory in a calculator, termed continuous memory by HP.
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Der HP-25 war ein programmierb ...... eration der HP Taschenrechner.
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HP-25 は、1975年から1978年までの間にヒューレッ ...... nuous memoryを搭載したTI-58C を発売した。
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La HP-25 est une calculatrice ...... gie CMOS à mémoire permanente.
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La HP-25 fue una calculadora d ...... a por batería, llamada por HP.
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The HP-25 was a hand-held prog ...... TI-58C with continuous memory.
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April 2019
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HP-25
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Der HP-25 war ein programmierb ...... eration der HP Taschenrechner.
@de
HP-25 は、1975年から1978年までの間にヒューレッ ...... 科学技術、航行、そして金融のプログラムの例が掲載されていた。
@ja
La HP-25 est une calculatrice ...... gie CMOS à mémoire permanente.
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La HP-25 fue una calculadora d ...... a por batería, llamada por HP.
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The HP-25 was a hand-held prog ...... ermed continuous memory by HP.
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HP-25
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HP-25
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HP-25
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HP-25
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HP-25
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