BUG in Windows Calc [modified]

[CPallini]

Well, actually close to... :)

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[Bassam Abdul Baki]

The Windows PowerToy Calc is slightly better.

Sqrt(4) - 2 = 3.9378992339362513964719291444358459196643504626684867133312775132667336556050866493546387304075566414818330038038295060147049046413138657775207384487209999618622897470743768272532233306387808895650314543995525529065482320548203801311885605071904357825187703782014895108614888708459734293476714554362468810447809428975260776308251921152998341440712577547187250299521717400700236027297480547576700432251758684242034663903791398932294256110257450914185948984125441052563042008394844537793781156975099171360793772881e-532

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[NMehta83]

Follow the procedure click '4' click 'sqrt' click '-'(Minus sign) click '2' ('-8.1648465955514287168521180122928e-39') click '+' click '2' Answer should be 2 and It shows 2 only :~

NMehta83 “We cannot fail until we fail to try”

[Hiren solanki]

It's hard to give you 5 . :laugh:

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[Dalek Dave]

Give him a 4.958468546513654646854968435146814612321687 instead.

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[NMehta83]

For this answer i will give you +5 :laugh:

NMehta83 “We cannot fail until we fail to try”

[Bassam Abdul Baki]

Clicking the 5 is hard for you?

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[Hiren solanki]

It takes half and hour to reach to rating link. :laugh:

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"You will always find me near 127.0.0.1"

[Dalek Dave]

Amd yet you haven't!

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[Hiren solanki]

NMehta83 wrote:

i will give you +5

It's 10 minute already, still not deposited :laugh:

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"You will always find me near 127.0.0.1"

[NMehta83]

Now have my another +5 :laugh:

NMehta83 “We cannot fail until we fail to try”

[Hiren solanki]

Looks like windows support person. take a 5.

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"You will always find me near 127.0.0.1"

[NMehta83]

I was laughing so i forgot...but now you can check :)

NMehta83 “We cannot fail until we fail to try”

[leppie]

I already said that... (but -2, same thing however).

((λ (x) `(,x ',x)) '(λ (x) `(,x ',x)))

[NMehta83]

nah!!!!!! After your post just playing with calc and got that. :)

NMehta83 “We cannot fail until we fail to try”

[Khaniya]

Dalek Dave wrote:

Or -4!

why DD? can you explain?

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[Rhuros]

On Windows 7 In Standard Mode you get: -1.068281969439142e-19 In Scientific Mode you get: -8.1648465955514287168521180122928e-39

[Lost User]

The square root of 4 is either 2 or -2. -2 - 2 = -4.

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[peterchen]

Actually, Calc internals have been replaced (around XP) with a long numbers library, so it is somehow noteworthy that this isn't enough. OTOH, the OP failed to notice tha 8e-39 is zero enough when playing around with square roots of 2.

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[leppie]

peterchen wrote:

OTOH, the OP failed to notice tha 8e-39 is zero enough when playing around with square roots of 2.

And that is why I cleverly did not point out who the FAILER actually was ;P

((λ (x) `(,x ',x)) '(λ (x) `(,x ',x)))