There isn't one.  They replace d. D. D: in previous releases. NuVoc tells you what the new name is.

Henry Rich

On 1/24/2020 2:41 PM, Skip Cave wrote:
Where is the overview tutorial on the new deriv verbs on the J website?

Skip

Skip Cave
Cave Consulting LLC


On Fri, Jan 24, 2020 at 8:24 AM Arnab Chakraborty <[email protected]> wrote:

Dear all,

sin deriv 1

works fine. So do

sin deriv 9

though the output is horrendously complex.

sin deriv 40

gives domain error.  Last, but not the least,

sin deriv 10

crashes after some delay.

JVERSION
Engine: j901/j32/android
Release-c: commercial/2020-01-12T21:36:27
Library: 9.01.19
J Android: 1.4.03/7.0/24
Platform: Android 32 (armeabi-v7a)
Installer: unknown
InstallPath: /storage/emulated/0/Android/data/com.jsoftware.j.android/files
Contact: www.jsoftware.com
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