8 ms·
The keyboard on this calculator has the number of keys reduced to the minimum by the use of only three function keys, including a combined "x÷" key. Here, pres
by billmcneale 2y ago
The keyboard on this calculator has the number of keys reduced to the minimum by the use of only three function keys, including a combined "x÷" key.
Here, pressing "x÷" gives the multiplication function if "+=" is subsequently pressed to give the answer, and gives the division function if "-=" is subsequently pressed to give the answer, so:
4 x÷ 2 += gives the answer 8.
4 x÷ 2 -= gives the answer 2.
- 2-3-7-43-1807 2y agonice concept but a very bad choice to illustrate good UI. there is enough space to add a few more buttons with dedicated functions.
- billmcneale 2y agoIn 2025, sure. Back when that calculator came out, this kind of saving was probably worth it.
- 2-3-7-43-1807 2y agoeh why? believe it or not but they had even keyboards back then with many dozens of keys.